Roberts Radio RD4 用户手册
If you need any further advice, please call our Technical Helpline on :-
020 8758 0338 (Mon-Fri)
020 8758 0338 (Mon-Fri)
47
Specifications
The company reserves the right to amend the specification without notice
?? Roberts to confirm
Battery:
Battery Life:
External Power Supply:
Frequency coverage:
Earphone Jack:
3 x AA size
Approx. ??hrs using alkaline batteries
4.5VDC 250mA, 2.1mm power jack positive
tip (not supplied)
217.5 - 230 MHz, (Band III, UK only)
32 ohms, in-ear style, with in-line aerial
element
?? Roberts to confirm